IC84752: SECURITY: STACK BUFFER OVERFLOW VULNERABILITY IN JAVA STORED PROCEDURE INFRASTRUCTURE (CVE-2012-2197).

APAR status

• Closed as program error.

Error description

• A stack buffer overflow vulnerability in Java Stored Procedure
  infrastructure could be exploited to attain remote code
  execution.
  
  To exploit the vulnerability the malicious user would need:
  1) Valid credential to connect to database
  2) CONNECT privilege on database
  3) A Java stored procedure to which the user has EXECUTE
  privilege.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * All DB2 systems on all Linux, Unix and Windows platforms at  *
  * service levels from Version 9.5 GA through to Version 9.5    *
  * Fix Pack 9.                                                  *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Security Bulletin: Buffer Overflow Vulnerability in IBM  *
  * DB2 Java Stored Procedure Infrastructure                     *
  *                                                              *
  * (CVE-2012-2197).                                             *
  * http://www.ibm.com/support/docview.wss?uid=swg21607628       *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Refer to the following security bulletin to evaluate the     *
  * potential impact in your environment.                        *
  * Security Bulletin: Buffer Overflow Vulnerability in IBM DB2  *
  * SQL/PSM Stored Procedure Infrastructure (CVE-2012-4826).     *
  * http://www.ibm.com/support/docview.wss?uid=swg21614536       *
  ****************************************************************
  

Problem conclusion

• An incomplete fix for this problem was introduced in DB2 Version
  9.5 Fix Pack 10.
  The fix for APAR IC86765 will complete the fix.
  See Security Bulletin: Buffer Overflow Vulnerability in IBM DB2
  SQL/PSM Stored Procedure Infrastructure (CVE-2012-4826).
  http://www.ibm.com/support/docview.wss?uid=swg21614536
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  IC84555

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  DB2 FOR LUW

• Fixed component ID

  DB2FORLUW

Applicable component levels

• R910 PSN

     UP

• R950 PSN

     UP

• R970 PSN

     UP

• R980 PSN

     UP

• RA10 PSN

     UP